Contribution to the Performances Improvement of a Machine Boring Mill Operation
Journal Title: RECENT - Year 2010, Vol 11, Issue 30
Abstract
The performances requested from the production equipment and the associated economic issues bring the originators and the users of production means to be interested in the failures of the materials, with their consequences and the organizations which result from it. Among the tools used for the evaluation as of these performances, one finds the history file. Today, its exploitation became a technique of rigorous analysis consisting in exploiting the experience feedback. It is an approach of maintenance aiming providing the function and at maximizing the availability of the credit at the best possible cost, while proceeding to the good maintenance and the good moment. This approach enables us to know, to evaluate, envisage, measure and control the failures, to even accompany the operating condition of the machines. These concerns are expressed and treated through the concepts and the methods of RMAS (reliability, maintainability/maintenance, availability, safety). These files contain the failures types and their chronologies as well as the maintenance actions recorded in the form of the costs of maintenance, from duration and nature of failure. By exploiting these types of files, one can evaluate the operation parameters and the health condition of the machines, thus managed to apprehend the plans of maintenance to the needs for the production in real-time and for each machine, objective of this work. For better characterizing the breakdown and well evaluating its consequences, a coefficient called proportionality factor of the breakdowns “Fp” has been introduced. This coefficient enables us to determine the relationship between the breakdown and the duration lost to cure this breakdown. In this work, one is interested in a series of boring mill.
Authors and Affiliations
Rachid CHAÏB, Ion VERZEA, Mohamed BENIDIR
Keywords
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